Relay Outputs - Unitronics Samba OPLC SM43-J-R20 Installation Manual

Samba™ OPLC™
Analog input wiring, current (2/3 wire)
Shields should be connected at the signal's source.
The 0V signal of the analog input must be connected to the controller's 0V.
Increasing Contact Life Span
To increase the life span of the
relay output contacts and protect
the device from potential damage
by reverse EMF, connect:
A clamping diode in parallel with each
inductive DC load
An RC snubber circuit in parallel with
each inductive AC load
Unitronics
Shaft-encoder
Analog Input Wiring
Analog input wiring, current/voltage (4-wire)

Relay Outputs

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